7275427 has 2 divisors, whose sum is σ = 7275428. Its totient is φ = 7275426.

The previous prime is 7275403. The next prime is 7275431. The reversal of 7275427 is 7245727.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7275427 - 2¹¹ = 7273379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7275392 and 7275401.

It is not a weakly prime, because it can be changed into another prime (7275487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3637713 + 3637714.

It is an arithmetic number, because the mean of its divisors is an integer number (3637714).

Almost surely, 2^7275427 is an apocalyptic number.

7275427 is a deficient number, since it is larger than the sum of its proper divisors (1).

7275427 is an equidigital number, since it uses as much as digits as its factorization.

7275427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27440, while the sum is 34.

The square root of 7275427 is about 2697.2999462425. The cubic root of 7275427 is about 193.7698318930.

The spelling of 7275427 in words is "seven million, two hundred seventy-five thousand, four hundred twenty-seven".